Re: [gentoo-user] Thunderbird build failure

[Stefano Crocco]

On Saturday, 23 September 2017 17:53:25 CEST Christoph Böhmwalder wrote:
> Hey all,
>
> I've been trying to get Thunderbird to build for a few days now.
> Since I'm pretty much out of ideas at this point, I figured I'd ask on here
> if someone has an idea on what my problem is.
>
> I've attached the output of `emerge --info
> '=mail-client/thunderbird-52.3.0::gentoo'`, `emerge -pqv
> '=mail-client/thunderbird-52.3.0::gentoo'`, and the complete build log.
>
> From the error message I can see that it likely has something to do with
> either libpng or zlib. I have both of those installed:
>
> $ emerge --info libpng
> --- >8 ---
> media-libs/libpng-1.6.29::gentoo was built with the following:
> USE="apng (-neon) -static-libs" ABI_X86="32 (64) (-x32)" CPU_FLAGS_X86="sse"
>
> $ emerge --info zlib
> --- >8 ---
> sys-libs/zlib-1.2.11::gentoo was built with the following:
> USE="minizip -static-libs" ABI_X86="32 (64) (-x32)"
>
>
> I noticed that I have zlib-1.2.11 installed, though Thunderbird (or libpng?)
> is apparently trying to reference a symbol from zlib 1.2.9. I tried
> downgrading to zlib 1.2.9, but...
>
> # emerge --ask \=sys-libs/zlib-1.2.9
>
> These are the packages that would be merged, in order:
>
> Calculating dependencies... done!
>
> emerge: there are no ebuilds to satisfy "=sys-libs/zlib-1.2.9".
>
>
> I'd really appreciate any hints on what I'm doing wrong here. Thanks!
>
>
> --
>
> Regards,
> Christoph

I believe you should re-emerge libpng because it seems to have been built 
against an old (and incompatible) version of zlib (1.2.9).

I hope this helps

Stefano